单项选择题

Earthquake belts are ______.

A．maps that show where earthquakes are likely to occur
B．zones with a high probability of earthquakes
C．breaks between two sections of the earth' s surface
D．the two layers of earth along a fault

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单项选择题

What is the most appropriate title for the passage

A．Dangers of Earthquakes.
B．Earthquake Belts and Prediction.
C．Earthquake Prediction and Control.
D．Earthquake Engineering in California.

单项选择题

The word liability ( Para. 1 ) most probably means ______ .

A．misfortune
B．instability
C．disadvantage
D．burden